Hey all,
So after lots of scans and log review, turns out 1 of the 8 IDE disks in
my LVM is bad. (I know, IDE, yeahyeah...)
I currently have the affected volume group online, and it's mounted in
XFS readonly,norecovery mode. XFS can't attempt repair because one of
the bad sectors is the superblock so xfs_repair bombs.
Unfortunately I don't have 1.2TB of free space available to try and pull
all the data off the VG before rebuilding it and replacing the failed
drive. If I get a replacement for the bad drive and extend the VG, my
question would be:
How fault tolerant is pvmove if it encounters unreadable/bad sectors on
a disk? Will I hose the entire VG if pvmove bombs? Will pvmove skip the
bad sectors after a few attempts and move on? Will pvmove refuse to even
try?
I'm sure someone's had experience with this before. :) (Obviously I
don't have RAID underneath the LVM, otherwise I'm sure this would be
moot... lesson learned.)
Thanks all,
-Barnaby
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